jscustomxpathnsresolver.h

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

/*
 * Copyright (C) 2007 Alexey Proskuryakov ([e-mail])
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#ifndef JSCustomXPathNSResolver_h
#define JSCustomXPathNSResolver_h

#if ENABLE(XPATH)

#include "XPathNSResolver.h"
#include <runtime/JSValue.h>
#include <wtf/Forward.h>
#include <wtf/RefPtr.h>

namespace JSC {
    class ExecState;
    class JSObject;
}

namespace WebCore {

    class Frame;

    class JSCustomXPathNSResolver : public XPathNSResolver {
    public:
        static PassRefPtr<JSCustomXPathNSResolver> create(JSC::ExecState*, JSC::JSValuePtr);
        
        virtual ~JSCustomXPathNSResolver();

        virtual String lookupNamespaceURI(const String& prefix);

    private:
        JSCustomXPathNSResolver(JSC::JSObject*, Frame*);

        JSC::JSObject* m_customResolver; // JSCustomXPathNSResolvers are always temporary, thus no need to GC protect the object.
        RefPtr<Frame> m_frame;
    };

} // namespace WebCore

#endif // ENABLE(XPATH)

#endif // JSCustomXPathNSResolver_h